2011 Mercedes R-Class Owner's Manual - Page 232
2011 Mercedes R-Class Manual
Page 232 highlights
230 Display messages Display messages DISTRONIC Override DISTRONIC Inoperative DISTRONIC Currently Unavailable See Operator's Manual Possible causes/consequences and M Solutions DISTRONIC is no longer controlling the speed of the vehicle. X Take your foot off the accelerator pedal. DISTRONIC is faulty or the display has failed. X Visit a qualified specialist workshop. DISTRONIC is deactivated and is temporarily inoperative if: Rthe Rits On-board computer and displays DISTRONIC cover in the radiator grill is dirty. function is impaired due to heavy rain, snow or fog. Rthe radar sensor system is temporarily inoperative, e.g. due to electromagnetic radiation emitted by nearby TV or radio stations or other sources of electromagnetic radiation. Rthe radar sensor system has not detected any vehicles or stationary objects, e.g. traffic signs, for a long time. Rthe system is outside the operating temperature range. DISTRONIC becomes available again and the display message disappears when: Rthe Rthe dirt (e.g. slush) drops away while the vehicle is in motion. system detects that the sensors are fully available again. Rthe system is within the operating temperature range. If the display message continues to be displayed: X Clean the DISTRONIC cover in the radiator grill (Y page 287). X Restart the engine. G Warning DISTRONIC cannot take weather conditions into account. Switch off DISTRONIC or do not turn it on if the sensor is dirty or visibility is diminished as a result of snow, rain or fog. The distance control may be impaired even before the system is able to detect a dirty sensor. The DISTRONIC Currently Unavailable See Operator's Manual message will be displayed in the multifunction display and DISTRONIC will be turned off. Tires G Warning Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up and possibly a fire. G Warning Follow recommended tire inflation pressures.